drw.h

   1 /* See LICENSE file for copyright and license details. */
   2 #define DRW_FONT_CACHE_SIZE 32
   3
   4 typedef struct {
   5         unsigned long pix;
   6         XftColor rgb;
   7 } Clr;
   8
   9 typedef struct {
  10         Cursor cursor;
  11 } Cur;
  12
  13 typedef struct {
  14         Display *dpy;
  15         int ascent;
  16         int descent;
  17         unsigned int h;
  18         XftFont *xfont;
  19         FcPattern *pattern;
  20 } Fnt;
  21
  22 typedef struct {
  23         Clr *fg;
  24         Clr *bg;
  25         Clr *border;
  26 } ClrScheme;
  27
  28 typedef struct {
  29         unsigned int w, h;
  30         Display *dpy;
  31         int screen;
  32         Window root;
  33         Drawable drawable;
  34         GC gc;
  35         ClrScheme *scheme;
  36         size_t fontcount;
  37         Fnt *fonts[DRW_FONT_CACHE_SIZE];
  38 } Drw;
  39
  40 typedef struct {
  41         unsigned int w;
  42         unsigned int h;
  43 } Extnts;
  44
  45 /* Drawable abstraction */
  46 Drw *drw_create(Display *dpy, int screen, Window win, unsigned int w, unsigned int h);
  47 void drw_resize(Drw *drw, unsigned int w, unsigned int h);
  48 void drw_free(Drw *drw);
  49
  50 /* Fnt abstraction */
  51 Fnt *drw_font_create(Drw *drw, const char *fontname);
  52 void drw_load_fonts(Drw* drw, const char *fonts[], size_t fontcount);
  53 void drw_font_free(Fnt *font);
  54 void drw_font_getexts(Fnt *font, const char *text, unsigned int len, Extnts *extnts);
  55 unsigned int drw_font_getexts_width(Fnt *font, const char *text, unsigned int len);
  56
  57 /* Colour abstraction */
  58 Clr *drw_clr_create(Drw *drw, const char *clrname);
  59 void drw_clr_free(Clr *clr);
  60
  61 /* Cursor abstraction */
  62 Cur *drw_cur_create(Drw *drw, int shape);
  63 void drw_cur_free(Drw *drw, Cur *cursor);
  64
  65 /* Drawing context manipulation */
  66 void drw_setfont(Drw *drw, Fnt *font);
  67 void drw_setscheme(Drw *drw, ClrScheme *scheme);
  68
  69 /* Drawing functions */
  70 void drw_rect(Drw *drw, int x, int y, unsigned int w, unsigned int h, int filled, int empty, int invert);
  71 int drw_text(Drw *drw, int x, int y, unsigned int w, unsigned int h, const char *text, int invert);
  72
  73 /* Map functions */
  74 void drw_map(Drw *drw, Window win, int x, int y, unsigned int w, unsigned int h);